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Aneli [31]
3 years ago
14

Assume we perform a known-plaintext attack against DES with one pair of plaintext and ciphertext. How many keys do we have to te

st in a worst-case scenario if we apply an exhaustive key search in a straightforward way? How many on average?
Computers and Technology
1 answer:
nasty-shy [4]3 years ago
5 0

Answer:

2^{55} keys in a worst case scenario

Explanation:

So, Average will be : 2^{56} /2

2^{55}(Answer)

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